Remove outdated TODOs [skip ci]

- noinline consts: https://github.com/nim-lang/RFCs/issues/257

benchmarks/platforms.nim

@@ -6,7 +6,7 @@
 #   * Apache v2 license (license terms in the root directory or at http://www.apache.org/licenses/LICENSE-2.0).
 # at your option. This file may not be copied, modified, or distributed except according to those terms.
 
-when defined(amd64): # TODO defined(i386) but it seems lie RDTSC call is misconfigured
+when defined(amd64): # TODO defined(i386) but it seems like RDTSC call is misconfigured
   import platforms/x86
   export getTicks, cpuName
 

constantine.nimble

@@ -142,7 +142,6 @@ const useDebug = [
 
 proc test(flags, path: string, commandFile = false) =
   # commandFile should be a "file" but Nimscript doesn't support IO
-  # TODO: use a proper runner
   if not dirExists "build":
     mkDir "build"
   # Compilation language is controlled by WEAVE_TEST_LANG

constantine/arithmetic/limbs_modular.nim

@@ -107,8 +107,6 @@ func steinsGCD*(v: var Limbs, a: Limbs, F, M: Limbs, bits: int, mp1div2: Limbs)
 
   # TODO: the inlining of primitives like `csub` is bad for codesize
   #       but there is a 80% slowdown without it.
-  # TODO: The `cmov` in `cadd` and `csub` always retest the condition
-  #       which is probably costly here given how many we have.
 
   var a = a
   var b = M

constantine/config/curves_parser.nim

@@ -22,7 +22,6 @@ import
 # - properly cross the compile-time -> runtime boundary
 # - avoid inlining large const arrays at the call site
 #   for example when using the `r2modP` constant in multiple overloads in the same module
-#   TODO: check that those constants use extern const to avoid duplication across modules
 
 type
   CurveFamily* = enum
@@ -352,7 +351,7 @@ macro declareCurves*(curves: untyped): untyped =
   ##   ...
   ## ]
   ##
-  ## TODO: Ensure that
+  ## Ensure that
   ##   1. the modulus is not inlined at runtime to avoid codesize explosion.
   ##   2. is not duplicated across compilation modules.
 

constantine/elliptic/ec_endomorphism_accel.nim

@@ -56,11 +56,6 @@ func decomposeEndo*[M, scalBits, L: static int](
   ##   - Conditional negate is about 10 cycles per Fp, on G2 projective we have 3 (coords) * 2 (Fp2) * 10 (cycles) ~= 60 cycles
   ##     We need to test the mini scalar, which is 65 bits so 2 Fp so about 2 cycles
   ##     and negate it as well.
-  ##
-  ## However solution 1 seems to cause issues (TODO)
-  ## with some of the BLS12-381 test cases (6 and 9)
-  ## - 0x5668a2332db27199dcfb7cbdfca6317c2ff128db26d7df68483e0a095ec8e88f
-  ## - 0x644dc62869683f0c93f38eaef2ba6912569dc91ec2806e46b4a3dd6a4421dad1
 
   # Equal when no window or no negative handling, greater otherwise
   static: doAssert L >= (scalBits + M - 1) div M + 1

constantine/elliptic/ec_shortweierstrass_affine.nim

@@ -111,7 +111,6 @@ func trySetFromCoordX*[F, Tw](
   ## Note: Dedicated robust procedures for hashing-to-curve
   ##       will be provided, this is intended for testing purposes.
   P.y.curve_eq_rhs(x, Tw)
-  # TODO: supports non p ≡ 3 (mod 4) modulus like BLS12-377
   result = sqrt_if_square(P.y)
 
 func neg*(P: var ECP_ShortW_Aff, Q: ECP_ShortW_Aff) =

constantine/elliptic/ec_shortweierstrass_jacobian.nim

@@ -92,7 +92,6 @@ func trySetFromCoordsXandZ*[F; Tw](
   ## Note: Dedicated robust procedures for hashing-to-curve
   ##       will be provided, this is intended for testing purposes.
   P.y.curve_eq_rhs(x, Tw)
-  # TODO: supports non p ≡ 3 (mod 4) modulus like BLS12-377
   result = sqrt_if_square(P.y)
 
   var z2 {.noInit.}: F
@@ -116,7 +115,6 @@ func trySetFromCoordX*[F; Tw](
   ## Note: Dedicated robust procedures for hashing-to-curve
   ##       will be provided, this is intended for testing purposes.
   P.y.curve_eq_rhs(x, Tw)
-  # TODO: supports non p ≡ 3 (mod 4) modulus like BLS12-377
   result = sqrt_if_square(P.y)
   P.x = x
   P.z.setOne()

constantine/elliptic/ec_shortweierstrass_projective.nim

@@ -86,7 +86,6 @@ func trySetFromCoordsXandZ*[F; Tw](
   ## Note: Dedicated robust procedures for hashing-to-curve
   ##       will be provided, this is intended for testing purposes.
   P.y.curve_eq_rhs(x, Tw)
-  # TODO: supports non p ≡ 3 (mod 4) modulus like BLS12-377
   result = sqrt_if_square(P.y)
 
   P.x.prod(x, z)
@@ -107,7 +106,6 @@ func trySetFromCoordX*[F; Tw](
   ## Note: Dedicated robust procedures for hashing-to-curve
   ##       will be provided, this is intended for testing purposes.
   P.y.curve_eq_rhs(x, Tw)
-  # TODO: supports non p ≡ 3 (mod 4) modulus like BLS12-377
   result = sqrt_if_square(P.y)
   P.x = x
   P.z.setOne()

constantine/io/io_ec.nim

@@ -36,8 +36,6 @@ func toHex*[EC](P: EC): string =
   ## CT:
   ##   - no leaks
   ##
-  ## TODO: only normalize and don't display the Z coordinate
-  ##
   ## This proc output may change format in the future
 
   var aff {.noInit.}: ECP_ShortW_Aff[EC.F, EC.Tw]

constantine/pairing/pairing_bls12.nim

@@ -52,7 +52,6 @@ func millerLoopGenericBLS12*[C](
      ) =
   ## Generic Miller Loop for BLS12 curve
   ## Computes f{u,Q}(P) with u the BLS curve parameter
-  # TODO: retrieve the curve parameter from the curve declaration
 
   # Boundary cases
   #   Loop start
@@ -147,9 +146,6 @@ func finalExpHard_BLS12*[C](f: var Fp12[C]) =
   #
   # p14: 3 Φ₁₂(p(x))/r(x) = (x−1)² (x+p) (x²+p²−1) + 3
   #
-  # TODO: paper costs are 4Eₓ+Eₓ/₂+7M₁₂+S₁₂+F₁+F₂
-  #       so we have an extra cyclotomic squaring since we use 5Eₓ
-  #
   # with
   # - Eₓ being f^x
   # - Eₓ/₂ being f^(x/2)

constantine/pairing/pairing_bn.nim

@@ -49,7 +49,6 @@ func millerLoopGenericBN*[C](
      ) =
   ## Generic Miller Loop for BN curves
   ## Computes f{6u+2,Q}(P) with u the BN curve parameter
-  # TODO: retrieve the curve parameter from the curve declaration
 
   # TODO - boundary cases
   #   Loop start

constantine/towers.nim

@@ -216,7 +216,6 @@ func `*=`*(a: var Fp4, _: typedesc[γ]) {.inline.} =
 
 func `*=`*(a: var Fp2, b: Fp) =
   ## Multiply an element of Fp2 by an element of Fp
-  # TODO: make generic and move to tower_field_extensions
   a.c0 *= b
   a.c1 *= b
 

tests/t_finite_fields_vs_gmp.nim

@@ -72,7 +72,7 @@ proc binary_prologue[C: static Curve, N: static int](
   doAssert len >= aW, "Expected at most " & $len & " bytes but wrote " & $aW & " for " & toHex(aBuf) & " (big-endian)"
   doAssert len >= bW, "Expected at most " & $len & " bytes but wrote " & $bW & " for " & toHex(bBuf) & " (big-endian)"
 
-  # Build the bigint - TODO more fields codecs
+  # Build the bigint
   aTest = Fp[C].fromBig BigInt[bits].fromRawUint(aBuf.toOpenArray(0, aW-1), bigEndian)
   bTest = Fp[C].fromBig BigInt[bits].fromRawUint(bBuf.toOpenArray(0, bW-1), bigEndian)